DE3331799C2 - Vorrichtung zur subjektiven Refraktion - Google Patents
Vorrichtung zur subjektiven RefraktionInfo
- Publication number
- DE3331799C2 DE3331799C2 DE3331799A DE3331799A DE3331799C2 DE 3331799 C2 DE3331799 C2 DE 3331799C2 DE 3331799 A DE3331799 A DE 3331799A DE 3331799 A DE3331799 A DE 3331799A DE 3331799 C2 DE3331799 C2 DE 3331799C2
- Authority
- DE
- Germany
- Prior art keywords
- cylindrical
- lenses
- cross
- refractive power
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 21
- 230000000994 depressogenic effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 241000220257 Matthiola Species 0.000 description 2
- 235000011378 Matthiola incana Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000021547 stock Nutrition 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/0285—Phoropters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57152759A JPS5944237A (ja) | 1982-09-03 | 1982-09-03 | 自覚式検眼装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3331799A1 DE3331799A1 (de) | 1984-03-08 |
DE3331799C2 true DE3331799C2 (de) | 1996-10-31 |
Family
ID=15547526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3331799A Expired - Lifetime DE3331799C2 (de) | 1982-09-03 | 1983-09-02 | Vorrichtung zur subjektiven Refraktion |
Country Status (3)
Country | Link |
---|---|
US (1) | US4798457A (enrdf_load_stackoverflow) |
JP (1) | JPS5944237A (enrdf_load_stackoverflow) |
DE (1) | DE3331799C2 (enrdf_load_stackoverflow) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60193436A (ja) * | 1984-03-16 | 1985-10-01 | 株式会社トプコン | 視力検査装置 |
US4697598A (en) * | 1985-04-25 | 1987-10-06 | Westinghouse Electric Corp. | Evoked potential autorefractometry system |
JPH0646981B2 (ja) * | 1985-06-22 | 1994-06-22 | 株式会社トプコン | 自覚式検眼装置 |
JPS61293422A (ja) * | 1985-06-22 | 1986-12-24 | 株式会社トプコン | 自覚式検眼装置 |
JPS6219144A (ja) * | 1985-07-17 | 1987-01-27 | 株式会社トプコン山形 | 検眼チヤ−ト投影機 |
JPH0310724Y2 (enrdf_load_stackoverflow) * | 1985-07-31 | 1991-03-18 | ||
JPH0310725Y2 (enrdf_load_stackoverflow) * | 1985-07-31 | 1991-03-18 | ||
JPS62295639A (ja) * | 1986-06-16 | 1987-12-23 | 株式会社トプコン | 自覚式検眼器 |
US4861154A (en) * | 1986-08-06 | 1989-08-29 | Westinghouse Electric Corp. | Automated visual assessment system with steady state visual evoked potential stimulator and product detector |
JPH0345685Y2 (enrdf_load_stackoverflow) * | 1986-11-13 | 1991-09-26 | ||
JP2585611B2 (ja) * | 1987-07-16 | 1997-02-26 | 株式会社 ニデック | 自覚式検眼装置 |
JP2632856B2 (ja) * | 1987-07-28 | 1997-07-23 | 株式会社 ニデック | 自覚式検眼器 |
US5278593A (en) * | 1992-03-18 | 1994-01-11 | Woodlyn, Inc. | Ophthalmic dial advancement system |
US5281984A (en) * | 1992-07-01 | 1994-01-25 | R. H. Burton Company | Illumination apparatus for ophthalmic refractors |
JP2804866B2 (ja) * | 1992-07-30 | 1998-09-30 | ホーヤ株式会社 | 自覚式検眼装置 |
JPH0663013A (ja) * | 1993-07-19 | 1994-03-08 | Topcon Corp | 眼科装置 |
WO1995019133A1 (en) * | 1994-01-12 | 1995-07-20 | Kelman Charles D | Lens selection system |
DE4425443C1 (de) * | 1994-07-19 | 1996-02-01 | Block Medtech Gmbh | Phoropter |
DE19543150C1 (de) * | 1995-11-18 | 1997-03-27 | Block Gmbh | Augenuntersuchungsgerät zur Refraktionsbestimmung mit Zylinderlinsen und Kreuzzylindern |
DE19620326C1 (de) * | 1996-05-21 | 1997-10-09 | Preusner Paul Rolf Dipl Phys D | Elektromotorisch betriebener Phoropter |
JP2001340296A (ja) * | 2000-03-30 | 2001-12-11 | Topcon Corp | 検眼システム |
US6923541B2 (en) * | 2001-10-31 | 2005-08-02 | Nidek Co., Ltd. | Optometric apparatus |
JP2004208705A (ja) | 2002-12-26 | 2004-07-29 | Nidek Co Ltd | 検眼装置 |
JP4138571B2 (ja) * | 2003-05-02 | 2008-08-27 | 株式会社ニデック | 検眼装置 |
US7131727B2 (en) * | 2003-06-30 | 2006-11-07 | Johnson & Johnson Vision Care, Inc. | Simultaneous vision emulation for fitting of corrective multifocal contact lenses |
JP4794951B2 (ja) * | 2005-09-02 | 2011-10-19 | 株式会社ニデック | 検眼装置 |
US12364390B2 (en) | 2016-10-17 | 2025-07-22 | EyeQue Inc. | Methods and systems for automatic measurements of optical systems |
FR3059436B1 (fr) * | 2016-11-28 | 2019-01-25 | Laure PICHEREAU-BASLE | Procede et dispositif de bilan intermediaire d’une optique |
TWI838428B (zh) * | 2018-11-29 | 2024-04-11 | 美商愛奎有限公司 | 類比眼睛的光學系統 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1947716U (de) * | 1966-06-16 | 1966-10-13 | Rodenstock Optik G | Kreuzzylinder-adapter. |
US3498699A (en) * | 1967-06-13 | 1970-03-03 | American Optical Corp | Refractor |
DE6807933U (de) * | 1968-11-21 | 1969-04-30 | Rodenstock Optik G | Linsenscheibe fuer phoropter |
US3860330A (en) * | 1973-04-25 | 1975-01-14 | Bausch & Lomb | Refractor with a synchronized cylinder lens axis and cross cylinder lens axis |
US3969020A (en) * | 1973-12-28 | 1976-07-13 | Giles C. Clegg, Jr. | Automatic refraction apparatus and method |
JPS6039376B2 (ja) * | 1975-06-23 | 1985-09-05 | 株式会社ニコン | 検眼装置 |
US4105302A (en) * | 1976-06-23 | 1978-08-08 | Tate Jr George W | Automatic refraction apparatus and method |
US4105303A (en) * | 1977-01-05 | 1978-08-08 | Guyton D L | Method for determining the refractive correction for an eye |
JPS6043133B2 (ja) * | 1977-04-20 | 1985-09-26 | 東京光学機械株式会社 | 自動検眼装置 |
JPS53132194A (en) * | 1977-04-23 | 1978-11-17 | Tokyo Optical | Ophthalmoscope |
US4185896A (en) * | 1978-02-27 | 1980-01-29 | American Optical Corporation | Refractor cross-cylinder apparatus |
DE2901459C2 (de) * | 1979-01-16 | 1984-07-12 | J.D. Möller Optische Werke GmbH, 2000 Wedel | Phoropter |
DE3045139A1 (de) * | 1980-11-29 | 1982-07-01 | Fa. Carl Zeiss, 7920 Heidenheim | Vorrichtung zur subjektiven und objektiven refraktionsbestimmung |
US4496226A (en) * | 1981-07-22 | 1985-01-29 | Bausch & Lomb Incorporated | ANDed motor control system for motorized ophthalmic instrument |
-
1982
- 1982-09-03 JP JP57152759A patent/JPS5944237A/ja active Granted
-
1983
- 1983-09-02 DE DE3331799A patent/DE3331799C2/de not_active Expired - Lifetime
-
1987
- 1987-09-01 US US07/093,158 patent/US4798457A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0349568B2 (enrdf_load_stackoverflow) | 1991-07-30 |
JPS5944237A (ja) | 1984-03-12 |
DE3331799A1 (de) | 1984-03-08 |
US4798457A (en) | 1989-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: NIKON CORP., TOKIO/TOKYO, JP |
|
8110 | Request for examination paragraph 44 | ||
8128 | New person/name/address of the agent |
Representative=s name: DRES. WESER UND MARTIN, 81245 MUENCHEN |
|
8125 | Change of the main classification |
Ipc: A61B 3/028 |
|
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8328 | Change in the person/name/address of the agent |
Free format text: WESER & KOLLEGEN, 81245 MUENCHEN |
|
8365 | Fully valid after opposition proceedings |